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Recent Articles
Protect Your IT Investments with an Observability Strategy
With an observability strategy, businesses can quickly cut through the noise to see key actionable insights. In this episode of The Main Scoop, Greg Lotko and Daniel Newman are joined by Brett Dawson, Principal Mainframe OS Systems Programmer at Fidelity Investments,...
Recognizing the People Who Keep Mainframe Moving Forward
Mainframes don’t just run on technology—they also run on people. Behind every secure transaction, every optimized system, and every breakthrough in modernization, there’s someone making it happen. Last year, we launched the Influential Mainframers [2024] program to...
IBM z16 “Time Direct to the CEC”
The IBM z16 became generally available (GA) in May 2022. It introduced yet another significant change to IBM Z time synchronization via the new “time direct to the CEC” functionality. This article will briefly review the z15 time synchronization change that served as...
Fix the roof when the sun is shining: Data Loss Prevention
It’s high time we acknowledged that mainframe data loss is far more than a security problem. It’s fundamentally a business problem. As the old saying goes, prevention is better than cure. This applies to data loss and cyber attacks as much as anything else in life. If...
Visit us at IDUG EMEA & GSE UK
We look forward to attending IDUG EMEA & GSE this month and the first week of November. Both events offer attendees an opportunity to connect, collaborate and share insights with people within the industry. Planet Mainframe looks forward to connecting with you. We...
Tell them about mainframes
One of the greatest problems many mainframe-using organizations face is finding young staff who understand the mainframe and can take over from those experts who have been around for a while, seen it all, and now want to slip quietly into retirement. Too many colleges...
Zowe™ Chat can make you more productive: user scenarios
Since the publication of Zowe gets Chatty a few months ago, the Zowe open community has made great progress. Watch for a technical preview of the new capabilities in 4Q 2022. Key to any software’s success is listening to our consumers and unlocking the...
Db2 for z/OS: SEPARATE_SECURITY and SECADM
In the Db2 for z/OS module called DSNZPARM (ZPARM, for short), which provides the configuration settings for a Db2 subsystem, there is a parameter named SEPARATE_SECURITY. This ZPARM was introduced with Db2 10, and its purpose is to enable a Db2 for z/OS-using...
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Upcoming Events
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Virtual CICS User Group | The IT Stairway to Heaven. CICS Testing Pyramid: From Unit to Integration to Production-Like Environment
Zoom - Virtual MeetingEffective testing is essential for building robust systems. Dive deep into a structured approach to the testing pyramid for CICS applications. Using Test4z, we will demonstrate how unit tests form […]
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Virtual Db2 User Group | January 20, 2026
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Virtual IMS User Group | February 10, 2026
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Virtual CICS User Group | March 17, 2026
Zoom - Virtual Meeting
Mainframe Trailblazer Trivia
This month at Planet Mainframe the focus is on Talent and Training, so here at Trivia Challenge we’re going to test your knowledge of a few mainframe trailblazers. The first person we’re looking at is the formidable Rear Admiral Grace Hopper. Born in 1906, Hopper’s...
Mainframe News to Close Out the Year
Broadcom Completes Acquisition of VMware, Moves to Subscription Model Having completed its acquisition of VMware, Inc, Broadcom Inc., a provider of semiconductor and infrastructure software solutions, is moving forward with plans to enable enterprise customers to...
Evolution of the Mainframe
In 2023, the mainframe is the central technology of the biggest businesses on earth, but they also have a long and storied history. They’ve been around long enough, in fact, to have had a cameo appearance in the show Mad Men (shout out to the IBM/360). But...
Mainframe News This Month
VirtualZ Computing Raises $4.9 Million to Enable Enterprise Innovation With Mainframe Data VirtualZ Computing, the only woman-founded mainframe company, has announced $2.2 million in seed financing, bringing the total capital raised to $4.9 million. The capital...
Where do you fit on the scale of novice to expert?
How well do you know mainframes? Here is a quick test to gauge where you fit on the scale of novice to expert when it comes to knowing your mainframe trivia. Give it your best shot.
Navigating AI and More
IBM Unveils watsonx.governance to Help Businesses Navigate AI Enterprises use AI to solve problems, but businesses are also finding that AI has ushered in a whole new murky world of risks. IBM has announced that watsonx.governance will be released in early December to...




